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How to set an environment variable only for the duration of the script?

On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
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Using Jasmine to spy on a function without an object

I'm new to Jasmine and have just started using it. I have a library js file with lots of functions which are not associated with any object (i.e. are global). How do I go about spying on these functions? ...
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Get record counts for all tables in MySQL database

Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table? ...
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What is meant by “managed” vs “unmanaged” resources in .NET?

What is meant by the terms managed resource and unmanaged resource in .NET? How do they come into the picture? 5 Answers ...
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Group by with multiple columns using lambda

How can I group by with multiple columns using lambda? 5 Answers 5 ...
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What is the best way to count “find” results?

My current solution would be find <expr> -exec printf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this? ...
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Linq: What is the difference between Select and Where

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc. ...
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Can you find all classes in a package using reflection?

Is it possible to find all classes or interfaces in a given package? (Quickly looking at e.g. Package , it would seem like no.) ...
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How to recover a dropped stash in Git?

...frequently use git stash and git stash pop to save and restore changes in my working tree. Yesterday I had some changes in my working tree that I had stashed and popped, and then I made more changes to my working tree. I'd like to go back and review yesterday's stashed changes, but git stash po...
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HTTPS with Visual Studio's built-in ASP.NET Development Server

Is there a way to access Visual Studio's built-in ASP.NET Development Server over HTTPS? 4 Answers ...